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USN-5744-1: libICE vulnerability

28 November 2022

Weak session cookies generated using libICE could allow sensitive information to be exposed.

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Releases

Packages

  • libice - X11 Inter-Client Exchange library (development headers)

Details

It was discovered that libICE was using a weak mechanism to generate the
session cookies. A local attacker could possibly use this issue to perform
a privilege escalation attack.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 18.04
Ubuntu 16.04

In general, a standard system update will make all the necessary changes.

References

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Further reading